12-Letter Words Matching _H________A_

There are 20 12-letter words that match _H________A_. 4 are common words, such as PHILOLOGICAL and PHONOLOGICAL. A rarer one is THEOCRATICAL. In this set, C is the most frequent open letter (17 words). 4 words contain a doubled letter.

Full list 20

philologicalphonologicaltheoreticiantheosophicalchaulmoograschromatogramphenotypicalphlegmaticalrhombohedralchimichangaschristianiaschuckawallasphenologicalphotonuclearphotophobiasphycologicalrhizoctoniasthalassemiasthalassocrattheocratical

About this list

Words
20 (4 common words)
Common example
philological
Rare example
theocratical
Doubled letters
4
Ending in S
7
Most frequent letter
C (17)

Questions

How many 12-letter words matching _h________a_ are there?

20. 4 of them are common words.

What is a common example?

PHILOLOGICAL is among the common words in this set.